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Caesium in PDB 7kq9: The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site

Enzymatic activity of The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site

All present enzymatic activity of The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site:
4.2.1.20;

Protein crystallography data

The structure of The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site, PDB code: 7kq9 was solved by E.Hilario, M.F.Dunn, L.J.Mueller, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 39.28 / 1.50
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 182.622, 59.92, 67.416, 90, 94.87, 90
R / Rfree (%) 17.8 / 21.7

Other elements in 7kq9:

The structure of The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site also contains other interesting chemical elements:

Bromine (Br) 1 atom
Chlorine (Cl) 5 atoms

Caesium Binding Sites:

The binding sites of Caesium atom in the The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site (pdb code 7kq9). This binding sites where shown within 5.0 Angstroms radius around Caesium atom.
In total 4 binding sites of Caesium where determined in the The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site, PDB code: 7kq9:
Jump to Caesium binding site number: 1; 2; 3; 4;

Caesium binding site 1 out of 4 in 7kq9

Go back to Caesium Binding Sites List in 7kq9
Caesium binding site 1 out of 4 in the The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 1 of The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cs303

b:64.8
occ:0.48
 O A:HOH427 3.0 36.8 1.0
O A:GLY170 3.1 34.9 1.0
O A:ALA167 3.2 38.9 1.0
O A:HOH515 3.6 57.4 1.0
O A:HIS204 3.6 57.5 1.0
N A:ALA206 4.0 47.2 1.0
NH2 A:ARG171 4.0 47.2 1.0
CD A:ARG171 4.2 41.3 1.0
C A:GLY170 4.3 31.9 1.0
C A:ALA167 4.4 36.8 1.0
O A:SER168 4.4 41.7 1.0
C A:ALA205 4.4 49.3 1.0
CA A:ALA205 4.5 50.2 1.0
CZ A:ARG171 4.7 48.3 1.0
C A:HIS204 4.7 58.0 1.0
NE A:ARG171 4.7 47.1 1.0
CA A:ALA206 4.8 44.5 1.0
C A:SER168 4.8 35.9 1.0
CB A:ALA206 5.0 41.2 1.0
CA A:ARG171 5.0 31.5 1.0

Caesium binding site 2 out of 4 in 7kq9

Go back to Caesium Binding Sites List in 7kq9
Caesium binding site 2 out of 4 in the The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 2 of The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cs407

b:25.1
occ:0.74
 O B:THR71 3.0 21.6 1.0
O B:THR69 3.1 23.5 1.0
O B:HOH774 3.1 59.3 1.0
O B:HOH640 3.1 36.2 1.0
O B:THR66 3.3 24.1 1.0
OG1 B:THR66 3.3 23.2 1.0
O B:HOH531 3.5 50.0 1.0
O B:HOH721 3.6 45.9 1.0
CB B:THR66 3.9 22.6 1.0
O B:HOH805 3.9 38.1 1.0
O B:HOH899 3.9 66.0 1.0
C B:THR66 3.9 24.5 1.0
C B:THR71 4.1 20.9 1.0
C B:THR69 4.1 22.8 1.0
OG1 B:THR69 4.3 22.1 1.0
N B:THR71 4.5 21.2 1.0
CA B:THR66 4.6 23.0 1.0
N B:THR69 4.6 23.4 1.0
N B:ALA67 4.6 25.1 1.0
CA B:ALA67 4.7 26.5 1.0
O B:HOH569 4.8 18.5 1.0
O B:HOH797 4.8 65.0 1.0
C B:ARG70 4.9 21.7 1.0
CA B:ARG70 4.9 22.4 1.0
N B:ARG70 4.9 22.4 1.0
CA B:THR69 4.9 22.8 1.0
N B:THR72 4.9 20.8 1.0
CA B:THR71 4.9 20.9 1.0
N B:GLY68 5.0 29.7 1.0

Caesium binding site 3 out of 4 in 7kq9

Go back to Caesium Binding Sites List in 7kq9
Caesium binding site 3 out of 4 in the The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 3 of The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cs408

b:24.2
occ:0.41
 CS B:CS408 0.0 24.2 0.4
CS B:CS408 1.7 29.6 0.6
O B:GLY232 3.0 25.3 1.0
OE2 B:GLU256 3.2 21.4 1.0
O B:VAL231 3.3 19.8 1.0
O B:GLY268 3.4 20.6 1.0
O B:SER308 3.4 22.0 1.0
CD B:PRO270 3.7 20.4 1.0
CG B:PRO270 3.9 20.9 1.0
C B:GLY232 4.0 21.4 1.0
C B:VAL231 4.1 19.8 1.0
CB B:VAL309 4.1 20.0 1.0
CD B:GLU256 4.2 20.6 1.0
CG1 B:VAL231 4.2 19.7 1.0
CG B:GLU256 4.2 20.6 1.0
CA B:GLY232 4.2 20.2 1.0
CG2 B:VAL309 4.4 19.8 1.0
O B:PHE306 4.4 34.3 1.0
C B:SER308 4.4 21.9 1.0
C B:GLY268 4.5 20.6 1.0
CD B:PRO257 4.5 20.2 1.0
N B:GLY232 4.6 19.9 1.0
CB B:GLU256 4.6 20.0 1.0
CA B:VAL309 4.7 20.0 1.0
N B:PRO270 4.8 20.6 1.0
CB B:VAL231 4.8 19.6 1.0
CA B:ALA269 4.9 20.4 1.0

Caesium binding site 4 out of 4 in 7kq9

Go back to Caesium Binding Sites List in 7kq9
Caesium binding site 4 out of 4 in the The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 4 of The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Cs408

b:29.6
occ:0.59
 CS B:CS408 0.0 29.6 0.6
CS B:CS408 1.7 24.2 0.4
O B:PHE306 3.0 34.3 1.0
O B:GLY268 3.1 20.6 1.0
O B:GLY232 3.1 25.3 1.0
O B:SER308 3.4 22.0 1.0
O B:LEU304 3.6 22.7 1.0
O B:VAL231 3.7 19.8 1.0
C B:GLY232 3.8 21.4 1.0
CA B:GLY232 3.8 20.2 1.0
CD B:PRO270 4.0 20.4 1.0
C B:PHE306 4.1 48.0 1.0
C B:GLY268 4.1 20.6 1.0
CD B:PRO257 4.3 20.2 1.0
N B:PHE306 4.3 34.2 1.0
CG B:PRO270 4.4 20.9 1.0
CB B:PHE306 4.5 35.6 1.0
CA B:PHE306 4.5 40.0 1.0
C B:VAL231 4.5 19.8 1.0
CG B:PRO257 4.6 20.3 1.0
C B:SER308 4.6 21.9 1.0
C B:LEU304 4.6 21.9 1.0
N B:GLY232 4.7 19.9 1.0
OE2 B:GLU256 4.7 21.4 1.0
CA B:GLY268 4.7 20.8 1.0
CD2 B:PHE306 4.8 49.7 1.0
N B:SER308 4.9 24.7 1.0
N B:GLY233 5.0 20.4 1.0

Reference:

E.Hilario, M.F.Dunn, L.J.Mueller. The Aminoacrylate Form of the Beta-Q114A Mutant Tryptophan Synthase at 1.50 Angstrom Resolution with Cesium Ion at the Metal Coordination Site To Be Published.
Page generated: Sun Jul 13 23:12:41 2025

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